Home / 790,478.53-1,185,713.83-191,439.67

Finding the Fourth Proportional to 790,478.53, 1,185,713.83 and 191,439.67

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Solution

The fourth proportional to 790,478.53, 1,185,713.83 and 191,439.67 is: 287,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,478.53 : 1,185,713.83 = 191,439.67 : x
  2. Step 2: Convert to fraction form
    790,478.53/1,185,713.83 = 191,439.67/x
  3. Step 3: Cross multiply
    790,478.53x = 1,185,713.83 × 191,439.67
  4. Step 4: Simplify right side
    790,478.53x = 226,992,664,329.64
  5. Step 5: Solve for x
    x = 226,992,664,329.64/790,478.53
  6. Step 6: Final answer
    x = 287,158.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.